Service difficulty report · Unknown · Boeing 747422

Difficulty date
December 2, 2013
Submitted
December 3, 2013
Operation
Air carrier
Aircraft
N117UA
Make and model
Boeing 747422
Aircraft serial
28810
Aircraft time
60,370 hours, 7,167 cycles
Engine
Pwa PW4056
Part
Unknown
Condition
Malfunctioned
Location
Window Heat
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SIDE WINDOW HEAT POWER INDICATES LIGHT DID NOT ILLUMINATE POWER L2, L3, R1 OR R3. POSITION 6 L1 WINDOW=1, L2 WINDOW=2, L3 WINDOW =3, R1 WINDOW = 4, R2 WINDOW = 5, R3 WINDOW = 6. R3 WINDOW ICING UP INSIDE. OK TO DEFER IAW MEL RDF-P. IAW WDM 30-41-21 FOUND A1 0 WDO 3R GLASS PORT A & B HAVE 115V AC POWER. SUSPECT WINDOW AT FAULT.